4x^2-120x=-1009

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Solution for 4x^2-120x=-1009 equation:


Simplifying
4x2 + -120x = -1009

Reorder the terms:
-120x + 4x2 = -1009

Solving
-120x + 4x2 = -1009

Solving for variable 'x'.

Reorder the terms:
1009 + -120x + 4x2 = -1009 + 1009

Combine like terms: -1009 + 1009 = 0
1009 + -120x + 4x2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
252.25 + -30x + x2 = 0

Move the constant term to the right:

Add '-252.25' to each side of the equation.
252.25 + -30x + -252.25 + x2 = 0 + -252.25

Reorder the terms:
252.25 + -252.25 + -30x + x2 = 0 + -252.25

Combine like terms: 252.25 + -252.25 = 0.00
0.00 + -30x + x2 = 0 + -252.25
-30x + x2 = 0 + -252.25

Combine like terms: 0 + -252.25 = -252.25
-30x + x2 = -252.25

The x term is -30x.  Take half its coefficient (-15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
-30x + 225 + x2 = -252.25 + 225

Reorder the terms:
225 + -30x + x2 = -252.25 + 225

Combine like terms: -252.25 + 225 = -27.25
225 + -30x + x2 = -27.25

Factor a perfect square on the left side:
(x + -15)(x + -15) = -27.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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